| In force components |
Number
|
Title |
Status |
Q.933 (02/03)
� |
ISDN Digital Subscriber Signalling System No. 1 (DSS1) - Signalling specifications for frame mode switched and permanent virtual connection control and status monitoring
�
|
In force
|
�
� |
| Superseded and Withdrawn components |
Number
|
Title |
Status |
Q.933 (03/93)
� |
Digital Subscriber Signalling System No. 1 (DSS1) - Signalling specification for frame mode basic call control
�
|
Superseded
|
Q.933 (10/95)
� |
Digital Subscriber Signalling System No. 1 (DSS1) - Signalling specifications for frame mode switched and permanent virtual connection control and status monitoring
�
|
Superseded
|
